But Disagreements Within Bloc Remain About What Should Trigger Penalties

LUXEMBOURG—European Union foreign ministers urged Russia on Monday to seize the current "opportunity" to calm tensions in eastern Ukraine, warning the bloc could ratchet up economic pressure on Moscow within days if Russia doesn't respond positively to Kiev's peace plan.

At a meeting of foreign ministers in Luxembourg dominated by the crisis in Ukraine and recent violence in Iraq, the EU announced it was preparing an operation to help train Ukrainian police and law-enforcement officials.